Question:
Multiply: (x – 4)(x + 5)
Choices:
(a) x2 + 5x - 20,
(b) x2 - 4x - 20,
(c) x2 - x - 20,
(d) x2 + x - 20.
Solution:
(x – 4)(x + 5).
= x(x + 5) -4(x + 5).
= x2 + 5x – 4x – 20.
= x2 + x - 20.
Answer: (d) x2 + x - 20
Answer:
D is the answer kahit heart manlang 。◕‿◕。
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Question:
Multiply: (x – 4)(x + 5)
Choices:
(a) x2 + 5x - 20,
(b) x2 - 4x - 20,
(c) x2 - x - 20,
(d) x2 + x - 20.
Solution:
(x – 4)(x + 5).
= x(x + 5) -4(x + 5).
= x2 + 5x – 4x – 20.
= x2 + x - 20.
Answer: (d) x2 + x - 20
#CarryOnLearning
Answer:
D is the answer kahit heart manlang 。◕‿◕。